Preface
The graphics systems available to Macintosh applications have evolved very quickly over the past few years. Prior to the introduction of Mac OS X, the primary focus of all Macintosh graphics was the QuickDraw graphics library. QuickDraw not only provided the tools that applications needed to draw into their windows, but it also played a role in managing the screen, handling events, and changing the cursor. As the demands placed on the graphics system increased, Apple discovered that a reliance on QuickDraw imparted some limitations to their capability to expand the graphics system. During the transition to Mac OS X, many of QuickDraw’s responsibilities migrated to other portions of the system. To handle many of the drawing and screen management ...
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